Title

A new investigation OP photometric changes in RW Persei

Document Type

Article

Publication Date

1-1-1992

Abstract

We have obtained new photoelectric observations of RW Per, and carried out photometric solutions for these data, for earlier photoelectric observations, and for archival photographic observations. We conclude that no third light exists in this binary, and that the original nodal variation explanation for historical changes in the depth of primary eclipse is therefore incorrect. We suggest a revised nodal variation hypothesis. We also note that these changes could have been produced by a gradual increase in the polar radius of the hot star, perhaps related to a change in that star's rotational velocity.

Publication Source (Journal or Book title)

Astronomical Journal

First Page

256

Last Page

262

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